/*
 * Copyright 2013 The authors
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.lang.ognl.psi.resolve;

import com.intellij.lang.ognl.psi.resolve.variable.OgnlVariableReference;
import com.intellij.lang.ognl.psi.resolve.variable.OgnlVariableReferencesContributor;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.util.Processor;
import org.jetbrains.annotations.NonNls;

/**
 * @author Yann C&eacute;bron
 */
public final class OgnlResolveUtil {
  @NonNls
  private static final ExtensionPointName<OgnlVariableReferencesContributor> EXTENSION_POINT_NAME =
    new ExtensionPointName<>("com.intellij.ognl.variableReferencesContributor");

  public static void processVariables(PsiElement element, Processor<OgnlVariableReference> processor) {
    PsiFile ognlFile = element.getContainingFile();
    for (OgnlVariableReferencesContributor provider : EXTENSION_POINT_NAME.getExtensionList()) {
      if (!provider.process(element, ognlFile, processor)) {
        return;
      }
    }
  }
}
